Astronomy Picture of the Day · August 24, 1999

A Network of Microlensing Caustics

The Astronomy Picture of the Day for August 24, 1999 is “A Network of Microlensing Caustics,” an image. The picture is copyrighted by its creator (Credit & Copyright: Joachim Wambsganss (Ap. Inst. Potsdam)). The original explanation runs about 147 words.

From the explanation

“A virtual sky map like this would be of interest to astronomers studying gravitational microlensing. In microlensing , the gravity of stars near the line of sight can act to magnify the light of background objects such as distant stars , or quasars .”

— APOD editors, August 24, 1999

Read the full explanation on science.nasa.gov

At a glance

Date: August 24, 1999
Type: Image
Credit: Credit & Copyright: Joachim Wambsganss (Ap. Inst. Potsdam)
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 147 words

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Source

Astronomy Picture of the Day, August 24, 1999 — science.nasa.gov/image-article/apod-1999-august-24-a-network-of-microlensing-caustics

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.